{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "RNA", "DNA", "cell type"], "input": "A MEDLINE search of the English-language literature was conducted using the indexing terms ' immunology , calcitriol and vitamin D ' to identify studies indicating a role for calcitriol as a primary immunomodulator ."}
{"cell line": [], "protein": [], "RNA": [], "DNA": [], "cell type": []}